Class Filter
- java.lang.Object
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- org.eclipse.rdf4j.sparqlbuilder.graphpattern.Filter
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- All Implemented Interfaces:
QueryElement
class Filter extends java.lang.Object implements QueryElement
A SPARQL Filter Clause- See Also:
- SPARQL Filter
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Field Summary
Fields Modifier and Type Field Description private java.util.Optional<Expression<?>>
constraint
private static java.lang.String
FILTER
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Constructor Summary
Constructors Constructor Description Filter()
Filter(Expression<?> expression)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Filter
filter(Expression<?> expression)
Set the constraint for this Filter clausejava.lang.String
getQueryString()
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Field Detail
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FILTER
private static final java.lang.String FILTER
- See Also:
- Constant Field Values
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constraint
private java.util.Optional<Expression<?>> constraint
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Constructor Detail
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Filter
Filter()
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Filter
Filter(Expression<?> expression)
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Method Detail
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filter
public Filter filter(Expression<?> expression)
Set the constraint for this Filter clause- Parameters:
expression
- the constraint to set- Returns:
- this
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getQueryString
public java.lang.String getQueryString()
- Specified by:
getQueryString
in interfaceQueryElement
- Returns:
- the String representing the SPARQL syntax of this element
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